COMMITMENTS AND CONTINGENCIES - Narrative (Details) $ in Thousands											1 Months Ended	12 Months Ended
	Jul. 19, 2023 USD ($)	May 26, 2023 USD ($)	Sep. 21, 2022 USD ($) station	Jul. 28, 2021 USD ($)	Oct. 15, 2020 USD ($)	Sep. 02, 2020 USD ($)	Aug. 19, 2020 USD ($)	Jun. 08, 2020 petition	May 22, 2020 USD ($)	Nov. 06, 2018 lawsuit	Dec. 31, 2017 USD ($)	Dec. 31, 2021 USD ($)	Sep. 30, 2023 USD ($) station	Oct. 03, 2018 broadcaster
Commitments and Contingencies [Line Items]
Number of television stations owned | station													185
Unfavorable Regulatory Action
Commitments and Contingencies [Line Items]
Proposed fine			$ 2,700			$ 9,000					$ 13,000
Proposed fine per station					$ 25	$ 500
Issuance of forfeiture penalty upheld				$ 500
Additional legal expenses accrued												$ 8,000
Number of television stations owned | station			83
Loss contingency, damages sought, total			$ 3,400
Loss contingency accrual													$ 3,400
Unfavorable Regulatory Action | Minimum
Commitments and Contingencies [Line Items]
Proposed fine per station			20
Unfavorable Regulatory Action | Maximum
Commitments and Contingencies [Line Items]
Proposed fine per station			$ 26
Management Services Agreement Misconduct
Commitments and Contingencies [Line Items]
Loss contingency, allegations, payments received	$ 1,500,000
Breach of Merger Agreement
Commitments and Contingencies [Line Items]
Amount awarded to other party									$ 48,000
Payments to resolve FCC investigation							$ 48,000
Compliance plan term									4 years
Number of petitions filed | petition								2
Various Cases Alleging Violation of Sherman Antitrust Act
Commitments and Contingencies [Line Items]
Amount awarded to other party		$ 48,000
Loss contingency, new claims filed, number (lawsuit) | lawsuit										22
Loss contingency, number of other broadcasters | broadcaster														13